| Commit message (Collapse) | Author | Age | Files | Lines |
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assert.h include from some headers and added it to lots of source
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[Aaron Giles]
* these classes now no longer take a resource_pool; everything is
managed globally -- this means that objects added to lists must be
allocated with global_alloc
* added new auto_pointer<> template which wraps a pointer and auto-frees
it upon destruction; it also defaults to NULL so it doesn't need to
be explicitly initialized
* moved tagged_list template to tagmap.h
Redo of the low-level memory tracking system: [Aaron Giles]
* moved low-level tracking out of emu\emualloc into lib\util\corealloc
so it can be shared among all components and used by core libraries
* global_alloc and friends no longer use a resource pool to track
allocations; turns out this was a wholly redundant system that wasted
a lot of memory
* removed global_resource_pool entirely
* added global_free_array to delete arrays allocated with
global_alloc_array
* added tracking of object versus array allocation; we will now error
if you use global_free on an array, or global_free_array on an object
Added new utility helper const_string_pool which can be used to
efficiently accumulate strings that are not intended to be modified.
Used by updated makelist and software list code. [Aaron Giles]
Updated png2bdc and makelist tools to not leak memory and use more modern
techniques (no more MAX_DRIVERS in makelist, for example). [Aaron Giles]
Deprecated auto_strdup and removed all uses by way of caller-managed
astrings and the software list rewrite. [Aaron Giles]
Rewrote software list management: [Aaron Giles]
* removed the notion of a software_list that is separate from a
software_list_device; they are one and the same now
* moved several functions into device_image_interface since they really
didn't belong in the core software list class
* lots of simplification as a result of the above changes
Additional notes (no whatsnew):
Moved definition of FPTR to osdcomm.h.
Some changes happened in the OSD code to fix issues, especially regarding
freeing arrays. SDL folks may need to fix up some of these.
The following devices still are using tokens and should be modernized
(I found them because they kept their token as void * and tried to
delete it, which you can't):
namco_52xx_device (mame/audio/namco52.c)
namco_54xx_device (mame/audio/namco54.c)
namco_06xx_device (mame/machine/namco06.c)
namco_50xx_device (mame/machine/namco50.c)
namco_51xx_device (mame/machine/namco51.c)
namco_53xx_device (mame/machine/namco53.c)
voodoo_device (emu/video/voodoo.c)
mos6581_device (emu/sound/mos6581.c)
aica_device (emu/sound/aica.c)
scsp_device (emu/sound/scsp.c)
dmadac_sound_device (emu/sound/dmadac.c)
s3c2440_device (emu/machine/s3c2440.c)
wd1770_device (emu/machine/wd17xx.c)
latch8_device (emu/machine/latch8.c)
duart68681_device (emu/machine/68681.c)
s3c2400_device (emu/machine/s3c2400.c)
s3c2410_device (emu/machine/s3c2410.c)
strataflash_device (mess/machine/strata.c)
hd63450_device (mess/machine/hd63450.c)
tap_990_device (mess/machine/ti99/990_tap.c)
omti8621_device (mess/machine/omti8621.c)
vdt911_device (mess/video/911_vdt.c)
apollo_graphics_15i (mess/video/apollo.c)
asr733_device (mess/video/733_asr.c)
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as follows:
MAKE_RGB(r,g,b) == rgb_t(r,g,b)
MAKE_ARGB(a,r,g,b) == rgb_t(a,r,g,b)
RGB_ALPHA(data) == data.a()
RGB_RED(data) == data.r()
RGB_GREEN(data) == data.g()
RGB_BLUE(data) == data.b()
RGB_BLACK == rgb_t::black
RGB_WHITE == rgb_t::white
Implicit conversions to/from UINT32 are built in as well as simple
addition, subtraction, and scaling (with clamping).
As a result of being a class, some stricter typing was needed in
a few places but overall not too much.
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to new license tagged form.
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and UYVY (nw)
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from 4 to 5. This means any diff CHDs will no longer work. If you
absolutely need to keep the data for any existing ones you have,
find both the diff CHD and the original CHD for the game in question
and upgrade using these commands:
rename diff\game.dif diff\game-old.dif
chdman copy -i diff\game-old.dif -ip roms\game.chd -o diff\game.dif -op roms\game.chd -c none
Specifics regarding this change:
Defined a new CHD version 5. New features/behaviors of this version:
- support for up to 4 codecs; each block can use 1 of the 4
- new LZMA codec, which tends to do better than zlib overall
- new FLAC codec, primarily used for CDs (but can be applied anywhere)
- upgraded AVHuff codec now uses FLAC for encoding audio
- new Huffman codec, used to catch more nearly-uncompressable blocks
- compressed CHDs now use a compressed map for significant savings
- CHDs now are aware of a "unit" size; each hunk holds 1 or more units
(in general units map to sectors for hard disks/CDs)
- diff'ing against a parent now diffs at the unit level, greatly
improving compression
Rewrote and modernized chd.c. CHD versions prior to 3 are unsupported,
and version 3/4 CHDs are only supported for reading. Creating a new
CHD now leaves the file open. Added methods to read and write at the
unit and byte level, removing the need to handle this manually. Added
metadata access methods that pass astrings and dynamic_buffers to
simplify the interfaces. A companion class chd_compressor now
implements full multithreaded compression, analyzing and compressing
multiple hunks independently in parallel. Split the codec
implementations out into a separate file chdcodec.*
Updated harddisk.c and cdrom.c to rely on the caching/byte-level read/
write capabilities of the chd_file class. cdrom.c (and chdman) now also
pad CDs to 4-frame boundaries instead of hunk boundaries, ensuring that
the same SHA1 hashes are produced regardless of the hunk size.
Rewrote chdman.exe entirely, switching from positional parameters to
proper options. Use "chdman help" to get a list of commands, and
"chdman help <command>" to get help for any particular command. Many
redundant commands were removed now that additional flexibility is
available. Some basic mappings:
Old: chdman -createblankhd <out.chd> <cyls> <heads> <secs>
New: chdman createhd -o <out.chd> -chs <cyls>,<heads>,<secs>
Old: chdman -createuncomphd <in.raw> <out.chd> ....
New: chdman createhd -i <in.raw> -o <out.chd> -c none ....
Old: chdman -verifyfix <in.chd>
New: chdman verify -i <in.chd> -f
Old: chdman -merge <parent.chd> <diff.chd> <out.chd>
New: chdman copy -i <diff.chd> -ip <parent.chd> -o <out.chd>
Old: chdman -diff <parent.chd> <compare.chd> <diff.chd>
New: chdman copy -i <compare.chd> -o <diff.chd> -op <parent.chd>
Old: chdman -update <in.chd> <out.chd>
New: chdman copy -i <in.chd> -o <out.chd>
Added new core file coretmpl.h to hold core template classes. For now
just one class, dynamic_array<> is defined, which acts like an array
of a given object but which can be appended to and/or resized. Also
defines dynamic_buffer as dynamic_array<UINT8> for holding an
arbitrary buffer of bytes. Expect to see these used a lot.
Added new core helper hashing.c/.h which defines classes for each of
the common hashing methods and creator classes to wrap the
computation of these hashes. A future work item is to reimplement
the core emulator hashing code using these.
Split bit buffer helpers out into C++ classes and into their own
public header in bitstream.h.
Updated huffman.c/.h to C++, and changed the interface to make it
more flexible to use in nonstandard ways. Also added huffman compression
of the static tree for slightly better compression rates.
Created flac.c/.h as simplified C++ wrappers around the FLAC interface.
A future work item is to convert the samples sound device to a modern
device and leverage this for reading FLAC files.
Renamed avcomp.* to avhuff.*, updated to C++, and added support for
FLAC as the audio encoding mechanism. The old huffman audio is still
supported for decode only.
Added a variant of core_fload that loads to a dynamic_buffer.
Tweaked winwork.c a bit to not limit the maximum number of processors
unless the work queue was created with the WORK_QUEUE_FLAG_HIGH_FREQ
option. Further adjustments here are likely going to be necessary.
Fixed bug in aviio.c which caused errors when reading some AVI files.
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almost certainly some regressions lurking. Let me know if
something seems busted.
Bitmaps are now strongly typed based on format. bitmap_t still
exists as an abstract base class, but it is almost never used.
Instead, format-specific bitmap classes are provided:
bitmap_ind8 == 8bpp indexed
bitmap_ind16 == 16bpp indexed
bitmap_ind32 == 32bpp indexed
bitmap_ind64 == 64bpp indexed
bitmap_rgb32 == 32bpp RGB
bitmap_argb32 == 32bpp ARGB
bitmap_yuy16 == 16bpp YUY
For each format, a generic pix() method is provided which
references pixels of the correct type. The old pix8/pix16/pix32/
pix64 methods still exist in the short term, but the only one
available is the one that matches the bitmap's pixel size. Note
also that the old RGB15 format bitmaps are no longer supported
at all.
Converted model1, megadriv, and stv drivers away from the RGB15
format bitmaps.
New auto_bitmap_<type>_alloc() macros are provided for allocating
the appropriate type of bitmap.
Screen update functions now must specify the correct bitmap type
as their input parameters. For static update functions the
SCREEN_UPDATE macro is now replaced with SCREEN_UPDATE_RGB32 and
SCREEN_UPDATE_IND16 macros. All existing drivers have been
updated to use the correct macros.
Screen update functions are now required for all screens; there
is no longer any default behavior of copying a "default" bitmap
to the screen (in fact the default bitmap has been deprecated).
Use one of the following to specify your screen_update callback:
MCFG_SCREEN_UPDATE_STATIC(name) - static functions
MCFG_SCREEN_UPDATE_DRIVER(class, func) - driver members
MCFG_SCREEN_UPDATE_DEVICE(tag, class, func) - device members
Because the target bitmap format can now be deduced from the
screen update function itself, the MCFG_SCREEN_FORMAT macro is
no longer necessary, and has been removed. If you specify a
screen update callback that takes a bitmap_ind16, then the screen
will be configured to use a 16bpp indexed bitmap, and if you
specify a callback that takes a bitmap_rgb32, then a 32bpp RGB
bitmap will be provided.
Extended the bitmap classes to support wrapping a subregion of
another bitmap, and cleaner allocation/resetting. The preferred
use of bitmaps now is to define them directly in drivers/devices
and use allocate() or wrap() to set them up, rather than
allocating them via auto_bitmap_*_alloc().
Several common devices needed overhauls or changes as a result
of the above changes:
* Reorganized the laserdisc base driver and all the laserdisc
drivers as modern C++ devices, cleaning the code up
considerably. Merged ldsound device into the laserdsc
device since modern devices are flexible enough to handle
it.
* Reorganized the v9938 device as a modern C++ device. Removed
v9938mod.c in favor of template functions in v9938.c directly.
* Added independent ind16 and rgb32 callbacks for TMS340x0 devices.
* All video devices are now hard-coded to either ind16 or rgb32
bitmaps. The most notable is the mc6845 which is rgb32, and
required changes to a number of consumers.
* Added screen_update methods to most video devices so they can be
directly called via MCFG_SCREEN_UPDATE_DEVICE instead of creating
tons of stub functions.
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parameters for the global SCREEN_UPDATE callback match the parameters
for the driver_device version. Added allocate() and deallocate()
methods to bitmap_t to permit cleaner handling of bitmaps in drivers
and modern devices. [Aaron Giles]
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macros with bitmap->pix* functions, and moved bitmap_fill() to bitmap->fill()
among other similar changes. Bitmap fields now only available via accessors.
Replaced sect_rect with &= and union_rect with |= operators for rectangle
classes. Some general cleanup as a result of these changes. [Aaron Giles]
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I found that it needs to be slightly different if you want correctly
terminated audio streams:
/* add up the samples */
if (channelsamples > chunksamples)
file->info.audio_numsamples = stream->samples += chunksamples;
else if (channelsamples > 0)
file->info.audio_numsamples = stream->samples += channelsamples;
Otherwise extra silence will be counted at the end of the audio stream.
Not really that big an issue but a bit sloppy...
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large lengths for the audio stream of an AVI file. The occurrence of the
bug depends on the way that audio buffers are filled by the calling code;
if there are never two or more chunk's worth of audio samples queued then
the bug will not occur. [CDiFan]
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under standard BSD license.
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compilation:
- new option CPP_COMPILE to trigger this (off by default)
- split CFLAGS into common, C-only, and C++-only flags
- when enabled, CPP_COMPILE causes 'pp' to be appended to
the target name
NOTE THAT THE SYSTEM CANNOT ACTUALLY BE COMPILED THIS WAY
YET. IT IS JUST AN EXPERIMENT.
Modified lib.mak to always build zlib/expat as C regardless
of CPP_COMPILE.
Modified windows.mak to fix warnings with MAXOPT=1, and to
leverage the new CFLAGs definitions.
Modified vconv.c to do appropriate conversions for new C++
options.
Updated sources so that libutil, libocore (Windows), and
libosd (Windows) can be cleanly compiled as C or C++. This
was mostly adding some casts against void *.
Fixed a few more general obvious problems at random
locations in the source:
- device->class is now device->devclass
- TYPES_COMPATIBLE uses typeid() when compiled for C++
- some functions with reserved names ('xor' in particular)
were renamed
- nested enums and structs were pulled out into separate
definitions (under C++ these would need to be scoped to
be referenced)
- TOKEN_VALUE cannot use .field=x initialization in C++ :(
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Added missing chdman error messages when extracting to an AVI file.
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and reports if no white flags were seen.
Fixed bug in aviio.c which could cause an infinite loop if attempting
to read sound beyond the end of the file.
Rewrote the white flag detection to use a histogram for outlier detection
and peak identification.
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Fixed Huffyuv decompression in aviio.
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to write RGB bitmaps. Unfortunately, the only option is fully
uncompressed, which means the resulting AVIs are *HUGE* and
may not play correctly in realtime due to high data rate. The
intention is that these uncompressed AVIs are post-processed
by other utilities to compress the video and produce a
realtime playable result.
Added new command-line option -aviwrite which works just like
-mngwrite, except it produces AVIs and streams sound to them.
Updated documentation accordingly.
Shift+F12 still produces MNGs for now, though this might change
in the future.
Modified fileio.c to retain the full pathname to the file so
that it can be queried while the file is open.
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- removed years from copyright notices
- removed redundant (c) from copyright notices
- updated "the MAME Team" to be "Nicola Salmoria and the MAME Team"
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